:root {
    --ink: #172026;
    --muted: #66717a;
    --line: #dde4ea;
    --panel: #ffffff;
    --canvas: #f4f7f9;
    --accent: #0b8f7a;
    --accent-dark: #07695a;
    --income: #168255;
    --expense: #c2412d;
    --warn: #b7791f;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--canvas);
    font-family: Tahoma, Arial, sans-serif;
    line-height: 1.55;
}

a {
    color: inherit;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 16px clamp(16px, 4vw, 40px);
    color: #fff;
    background: #17313b;
}

.topbar strong {
    display: block;
    font-size: 20px;
}

.topbar span {
    color: #c8d8df;
    font-size: 13px;
}

.topbar nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.topbar nav a {
    padding: 8px 12px;
    border-radius: 6px;
    color: #e6f0f3;
    text-decoration: none;
    font-size: 14px;
}

.topbar nav a.active,
.topbar nav a:hover {
    background: rgba(255, 255, 255, .14);
}

.container {
    width: min(1180px, calc(100% - 28px));
    margin: 24px auto 48px;
}

.footer {
    display: flex;
    justify-content: space-between;
    width: min(1180px, calc(100% - 28px));
    margin: 0 auto 28px;
    color: var(--muted);
    font-size: 13px;
}

.page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.page-head h1 {
    margin: 0;
    font-size: clamp(24px, 3vw, 34px);
}

.page-head p {
    margin: 4px 0 0;
    color: var(--muted);
}

.grid {
    display: grid;
    gap: 16px;
}

.grid.cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.panel,
.metric,
.auth-box {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(22, 35, 44, .06);
}

.panel {
    padding: 18px;
}

.metric {
    padding: 18px;
}

.metric span {
    display: block;
    color: var(--muted);
    font-size: 13px;
}

.metric strong {
    display: block;
    margin-top: 5px;
    font-size: clamp(22px, 3vw, 30px);
}

.income {
    color: var(--income);
}

.expense {
    color: var(--expense);
}

.warn {
    color: var(--warn);
}

form {
    margin: 0;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.form-grid .full {
    grid-column: 1 / -1;
}

label {
    display: grid;
    gap: 6px;
    color: var(--muted);
    font-size: 13px;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid #cad4dc;
    border-radius: 6px;
    padding: 10px 11px;
    color: var(--ink);
    background: #fff;
    font: inherit;
}

textarea {
    min-height: 88px;
    resize: vertical;
}

.actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 10px 14px;
    border: 1px solid transparent;
    border-radius: 6px;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    cursor: pointer;
    font: inherit;
}

.btn:hover {
    background: var(--accent-dark);
}

.btn.secondary {
    color: var(--ink);
    border-color: var(--line);
    background: #fff;
}

.btn.danger {
    background: var(--expense);
}

.btn.small {
    min-height: 32px;
    padding: 6px 9px;
    font-size: 13px;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

th,
td {
    padding: 11px 10px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.right {
    text-align: right;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: 999px;
    background: #eef3f6;
    color: #37515d;
    font-size: 12px;
}

.tag.income {
    background: #e9f7ef;
    color: var(--income);
}

.tag.expense {
    background: #fff0ec;
    color: var(--expense);
}

.alert {
    margin-bottom: 16px;
    padding: 12px 14px;
    border-radius: 7px;
    border: 1px solid #b7e3d5;
    background: #ecfbf5;
    color: #116149;
}

.alert.error {
    border-color: #f2c1b8;
    background: #fff2ef;
    color: #9c2f1e;
}

.auth-page {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 24px;
}

.auth-box {
    width: min(460px, 100%);
    padding: 24px;
}

.auth-box h1 {
    margin: 0 0 6px;
}

.auth-box p {
    margin: 0 0 18px;
    color: var(--muted);
}

.filters {
    display: grid;
    grid-template-columns: repeat(5, minmax(120px, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}

.status-open {
    color: #1d6faf;
}

.status-done {
    color: var(--income);
}

.status-cancelled {
    color: var(--muted);
}

.install-note {
    margin-top: 14px;
    color: var(--muted);
    font-size: 13px;
}

@media (max-width: 820px) {
    .topbar,
    .page-head,
    .footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .grid.cols-2,
    .grid.cols-3,
    .grid.cols-4,
    .form-grid,
    .filters {
        grid-template-columns: 1fr;
    }
}